通过氧化/炎症负担和行为调制,L-氨酸在阿尔茨海默病老鼠模型中减轻胆膜变化
Wael Amin Nasr El-Din1, Islam Omar Abdel Fattah2
1Department of Anatomy, College of Medicine and Health Sciences, Arabian Gulf University, Manama, Bahrain; Department of Human Anatomy and Embryology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt.
Tissue & cell
|September 26, 2024
概括
这项研究表明,氨酸 (ARG) 可以逆转阿尔茨海默病 (AD) 对老年老鼠状结质的影响. 饮食ARG可能有助于预防老年人的AD进展.
科学领域:
- 神经科学是一个神经科学.
- 老年学是指老年学的学科.
- 病理学 病理学 病理学
背景情况:
- 衰老是阿尔茨海默氏症 (AD) 的重要危险因素.
- 衰老与状结质 (CP) 的改变有关,这是维持大脑环境至关重要的大脑结构.
- 阿尔茨海默病理进一步加剧CP功能障碍,影响大脑健康.
研究的目的:
- 研究素 (ARG) 在缓解AD引起的CP变化的治疗潜力.
- 探索ARG可能保护CP免受AD相关损伤的潜在机制.
主要方法:
- 该研究使用了一种老鼠模型,将斯普拉格 - 达利老鼠分为代表不同年龄和AD状态的组,有和没有ARG的管理.
- 评估包括行为测试 (Y-迷宫),血清和脑脊液 (CSF) 氧化/炎症标志物的评估,AD生物标志物 (Aβ,APP) 和CP组织的免疫组织化学分析 (VEGF,HSP90).
- 进行了组织病理学和组织形态学分析,以评估CP的结构完整性.
主要成果:
- 患有AD的老老鼠表现出认知能力下降,抗氧化能力降低 (TAC),较低的大脑衍生的神经营养因子 (BDNF) 和血管内皮生长因子 (VEGF),以及增加的促炎标志物 (TNF-α,IL-1β),β-粉胺 (Aβ) 和热冲击蛋白90 (HSP90).
- 在老年+老年人群中,CP组织显示出病理性变化,包括平坦的上皮细胞,毛细血管拥堵和内皮退化.
- ARG的使用显著调节了这些参数,增加了TAC,BDNF和VEGF,同时降低了TNF-α,IL-1β,Aβ和HSP90水平,并改善了CP组织病理学.
结论:
- 在老鼠模型中,氨酸 (ARG) 有效地改善了与AD相关的状变化.
- 通过改善与AD相关的基因病理学,氧化/炎症和生物标志物概况,ARG证明了治疗效益.
- 建议使用ARG的食补充剂作为一种潜在的策略,以预防或减缓老年人群中AD的进展.
关键词:
年老的老鼠老鼠.阿尔茨海默氏症是阿尔茨海默氏症的一种疾病.这就是为什么BDNF是BDNF.对于L-阿尔吉尼因来说,这是一个很好的方法.冠状动脉复合体 (choroid plexus) 的一个部分.更多相关视频
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